Home / 30,928,035,974.11-46,373,067,837.78-12,019,245,379.32

Finding the Fourth Proportional to 30,928,035,974.11, 46,373,067,837.78 and 12,019,245,379.32

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Solution

The fourth proportional to 30,928,035,974.11, 46,373,067,837.78 and 12,019,245,379.32 is: 18,021,489,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928,035,974.11 : 46,373,067,837.78 = 12,019,245,379.32 : x
  2. Step 2: Convert to fraction form
    30,928,035,974.11/46,373,067,837.78 = 12,019,245,379.32/x
  3. Step 3: Cross multiply
    30,928,035,974.11x = 46,373,067,837.78 × 12,019,245,379.32
  4. Step 4: Simplify right side
    30,928,035,974.11x = 557,369,281,334,061,498,368
  5. Step 5: Solve for x
    x = 557,369,281,334,061,498,368/30,928,035,974.11
  6. Step 6: Final answer
    x = 18,021,489,686.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.